<PAGE> 1
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: March 31, 2000
---------------------
Check here if Amendment [ ]; Amendment Number:
--------
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Driehaus Capital Management, Inc.
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Address: 25 East Erie Street
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Chicago, Illinois 60611
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-------------------------------------------------
Form 13F File Number: 28- 3580
------------
The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Mary H. Weiss
-------------------------------------------------
Title: Vice President
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Phone: (312) 587-3800
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Signature, Place, and Date of Signing:
M. H. Weiss Chicago, Illinois May 11, 2000
- ----------------------- -------------------------------- -----------------
Report Type (Check only one.):
[X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
are reported in this report.)
[ ] 13F NOTICE. (Check here if no holdings reported are in this report, and
all holdings are reported by other reporting manager(s).)
<PAGE> 2
[ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for
this reporting manager are reported in this report and a portion are
reported by other reporting manager(s).)
List of Other Managers Reporting for this Manager:
NONE
<PAGE> 3
Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: NOT APPLICABLE
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Form 13F Information Table Entry Total: 314
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Form 13F Information Table Value Total: $ 4000813
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(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
NONE
<PAGE> 4
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus
Capital Management, Inc. ("DCM") (SEC USE ONLY)
----------------------------------------------------------------------------------------------------
ITEM 8:
ITEM 6: VOTING AUTHORITY
INVESTMENT DISCRETION (SHARES)
----------------------- -----------------------
(b)
SHARED
ITEM 5: -AS ITEM 7:
ITEM 1: ITEM 2: ITEM 4: SHARES DEFINED MANAGERS
NAME OF ISSUER TITLE ITEM 3: FAIR OR IN (c) SEE
OF CUSIP MARKET PRINCIPAL (a) INSTR. SHARED- INSTR. (a) (b) (c)
CLASS NUMBER VALUE AMOUNT SOLE V OTHER V SOLE SHARED NONE
------ -------- ------ --------- ---- ------- ------- -------- ------- ------ --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
AES Corporation Common 00130H10 21263 270000 X 208959 0 61041
AO Tatneft - Sponsored ADR ADR 03737P30 809 61600 X 56600 0 5000
ASM Lithography Holding NV ADR N0705911 28975 259287 X 225480 0 33807
Advanced Fibre Communication Common 00754A10 3103 49500 X 0 0 49500
Advanced Lighting Technologies Common 00753C10 2217 118234 X 1943 0 116291
Aeroflex Inc. Common 776810 1430 28888 X 18391 0 10497
Aetrium Inc. Common 00817R10 857 85739 X 0 0 85739
Allen Telecom Inc. Common 1809110 829 52000 X 0 0 52000
Amdocs Ltd. Common G0260210 68474 925328 X 762559 0 162769
American Tower Corp. - Cl. A Common 2991220 13118 265678 X 205025 0 60653
Amkor Technologies Inc. Common 3165210 37460 705960 X 542605 0 163355
Amtech Systems Inc. Common 3233250 267 65839 X 0 0 65839
Anadigics Inc. Common 3251510 6557 99346 X 54917 0 44429
Analog Devices Common 3265410 51003 633574 X 487357 0 146217
Anaren Microwave Inc. Common 3274410 1701 17741 X 4269 0 13472
Ansoft Corp. Common 3638410 786 63400 X 0 0 63400
Apex PC Solutions Inc. Common 3754810 11529 310551 X 176358 0 134193
Applied Films Corp. Common 3819710 317 15830 X 0 0 15830
Applied Innovation Inc. Common 3791610 149 11250 X 0 0 11250
Applied Micro Circuits Corp. Common 03822W10 17238 114875 X 88511 0 26364
Aradigm Corp. Common 3850510 585 28002 X 17706 0 10296
ArthroCare Corp. Common 4313610 12482 135676 X 76903 0 58773
Aspect Communications Corp Common 04523Q10 7606 205218 X 117071 0 88147
Aspect Development Inc. Common 4523410 19027 295571 X 166388 0 129183
Asyst Technologies Inc. Common 04648X10 29373 502104 X 283679 0 218425
Atlantic Coast Airlines Hldg. Common 4839610 1294 50000 X 1945 0 48055
Avista Corp Common 05379B10 29303 719099 X 540093 0 179006
B V R Technologies ADR M2051410 246 17700 X 9905 0 7795
BJ Services Co. Common 5548210 53920 729880 X 561940 0 167940
Banco Bradesco Spons ADR ADR 5946010 177 21715 X 0 0 21715
Best Buy Company Inc. Common 8651610 43783 509110 X 393833 0 115277
Blue Wave Systems Inc Common 9608110 3743 233907 X 5734 0 228173
Braun's Fashions Corp. Common 10565810 1025 40600 X 0 0 40600
Brooks Automation Inc Common 11434A10 15788 252608 X 142658 0 109950
Business Objects S. A. Sp ADR ADR 12328X10 28090 282316 X 230420 0 51896
C&D Technologies Inc. Common 12466110 1265 21440 X 13658 0 7782
CE Franklin Ltd. Common 12515110 602 83000 X 0 0 83000
CIMA Labs Inc. Common 17179610 394 22941 X 0 0 22941
CVC Inc Common 12694510 947 29837 X 0 0 29837
Cadus Pharmaceutical Common 12763910 128 64832 X 0 0 64832
California Amplifier Inc. Common 12990010 2946 95027 X 1496 0 93531
</TABLE>
<PAGE> 5
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus
Capital Management, Inc. ("DCM") (SEC USE ONLY)
----------------------------------------------------------------------------------------------------
ITEM 8:
ITEM 6: VOTING AUTHORITY
INVESTMENT DISCRETION (SHARES)
----------------------- -----------------------
(b)
SHARED
ITEM 5: -AS ITEM 7:
ITEM 1: ITEM 2: ITEM 4: SHARES DEFINED MANAGERS
NAME OF ISSUER TITLE ITEM 3: FAIR OR IN (c) SEE
OF CUSIP MARKET PRINCIPAL (a) INSTR. SHARED- INSTR. (a) (b) (c)
CLASS NUMBER VALUE AMOUNT SOLE V OTHER V SOLE SHARED NONE
------ -------- ------ --------- ---- ------- ------- -------- ------- ------ --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
California Micro Devices Corp. Common 13043910 4859 177086 X 3264 0 173822
Calpine Corporation Common 13134710 14100 150000 X 116083 0 33917
CardioDynamics Intl. Corp. Common 14159710 6282 733678 X 225788 0 507890
Career Education Corp. Common 14166510 1256 35885 X 22827 0 13058
Catalysts Semiconductor Inc. Common 14888110 476 56807 X 0 0 56807
Celeritek Inc. Common 15092610 4429 70028 X 1906 0 68122
Celgene Corp. Common 15102010 18975 190585 X 107853 0 82732
Cell Genesys Inc. Common 15092110 604 28354 X 7618 0 20736
Centura Software Corporation Common 15640W10 647 62708 X 0 0 62708
Cephalon Inc. Common 15670810 9855 262795 X 148827 0 113968
Cerner Corp. Common 15678210 11193 414541 X 236517 0 178024
Chartered Semiconductor ADR ADR 16133R10 38657 410153 X 356125 0 54028
Check Point Software Tech. ADR M2246510 66798 390486 X 307161 0 83325
Chico's Fas Inc. Common 16861510 712 42000 X 1650 0 40350
China.com ADR G2108N10 65757 811811 X 533437 0 278374
Cia Parananese Ener. -
Sp. ADR P ADR 20441B40 289 34000 X 33000 0 1000
Clickaction Inc. Common 18681E10 2485 50071 X 609 0 49462
Closure Medical Corporation Common 18909310 1567 59696 X 10631 0 49065
Coherent Inc. Common 19247910 7730 148655 X 84084 0 64571
Communications Systems Inc. Common 20390010 576 32900 X 0 0 32900
Concord Camera Corp. Common 20615610 2736 49746 X 3942 0 45804
CoorsTek Inc Common 21702010 1288 32007 X 949 0 31058
Corning Inc. Common 21935010 42638 219784 X 169774 0 50010
Corsair Communications Inc. Common 22040610 729 38094 X 10491 0 27603
Cree Inc. Common 22544710 22517 199490 X 101550 0 97940
Cubist Pharmaceuticals Inc. Common 22967810 643 15349 X 626 0 14723
CyberOptics Corp. Common 23251710 731 17217 X 0 0 17217
Cytyc Corporation Common 23294610 73586 1525103 X 814226 0 710877
DII Group Inc. Common 23294910 1943 17187 X 0 0 17187
Datalink Corp Common 23793410 221 11068 X 0 0 11068
Datastream Systems Inc. Common 23812410 17444 601502 X 338629 0 262873
Datum Inc. Common 23820810 1568 67992 X 0 0 67992
Diacrin Inc. Common 25243N10 259 21507 X 0 0 21507
Diamond Offshore Drilling Common 25271C10 28755 720000 X 557204 0 162796
Digital Lightwave Inc. Common 25385510 14753 236758 X 98705 0 138053
Digital Microwave Corp. Common 25385910 27974 825791 X 630242 0 195549
Digitran Systems Inc. Common 25389810 56 373200 X 150000 0 223200
Diodes Inc. Common 25454310 450 12000 X 0 0 12000
Discovery Laboratories Inc. Common 25466810 111 17052 X 0 0 17052
Ditech Communications Common 25500M10 108571 1023651 X 610505 0 413146
Dollar General Common 25666910 9675 450000 X 347687 0 102313
Dot Hill Systems Corp Common 25848T10 1181 94500 X 60383 0 34117
Dynegy Inc Common 26816Q10 49759 793168 X 611007 0 182161
E C C S Inc Common 26825H10 904 62342 X 5448 0 56894
E*Trade Group Inc. Common 26924610 10052 333669 X 258017 0 75652
Eight X Eight Inc Common 28291210 1085 36614 X 1422 0 35192
Elan Corp. PLC - Spons. ADR ADR 28413120 37951 798965 X 707035 0 91930
Elantec Semiconductor Common 28415510 2489 33834 X 11411 0 22423
Emcee Broadcast Products Common 26865010 226 34169 X 0 0 34169
Emcore Corp Common 29084610 10021 87094 X 48834 0 38260
</TABLE>
<PAGE> 6
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus
Capital Management, Inc. ("DCM") (SEC USE ONLY)
----------------------------------------------------------------------------------------------------
ITEM 8:
ITEM 6: VOTING AUTHORITY
INVESTMENT DISCRETION (SHARES)
----------------------- -----------------------
(b)
SHARED
ITEM 5: -AS ITEM 7:
ITEM 1: ITEM 2: ITEM 4: SHARES DEFINED MANAGERS
NAME OF ISSUER TITLE ITEM 3: FAIR OR IN (c) SEE
OF CUSIP MARKET PRINCIPAL (a) INSTR. SHARED- INSTR. (a) (b) (c)
CLASS NUMBER VALUE AMOUNT SOLE V OTHER V SOLE SHARED NONE
------ -------- ------ --------- ---- ------- ------- -------- ------- ------ --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Emmis Broadcasting Cl A Common 29152510 22552 484980 X 374615 0 110365
Emulex Corp. Common 29247520 33749 309271 X 139086 0 170185
Ensco International Inc. Common 26874Q10 30682 849325 X 655157 0 194168
Ericsson (L.M.) Tel
Co-Spons ADR ADR 29482140 12847 136941 X 115312 0 21629
Exabyte Corporation Common 30061510 614 82581 X 0 0 82581
Exar Corp. Common 30064510 2480 34649 X 8108 0 26541
Exodus Communications Inc. Common 30208810 42083 299526 X 231336 0 68190
Extended Systems Inc. Common 30197310 2968 26982 X 1749 0 25233
FSI International Inc. Common 30263310 1019 49685 X 1873 0 47812
Fei Co Common 30241L10 1205 40512 X 1572 0 38940
Firstcom Corp Common 33763T10 16733 489442 X 419690 0 69752
Flag Communications Common G3529L10 5017 221755 X 193751 0 28004
Flextronics Intl Ltd ADR Y2573F10 18147 257637 X 211515 0 46122
Forest Laboratories Inc. Common 34583810 8191 96935 X 75023 0 21912
Forrester Research Inc Common 34656310 1575 29031 X 18484 0 10547
Fundtech Ltd. ADR M4709510 467 17968 X 11410 0 6558
Gadzooks Inc. Common 36255310 1091 50301 X 772 0 49529
Gasonics International Corp Common 36727810 21913 552581 X 313990 0 238591
Gemstar Intl Common G3788V10 3192 37118 X 28255 0 8863
General Magic Common 37025310 1367 152953 X 4202 0 148751
Genset - Spons Adr ADR 37244T10 361 11113 X 3655 0 7458
Genus Inc. Common 37246110 4087 294529 X 3321 0 291208
Glenayre Tech Inc Common 37789910 910 51796 X 0 0 51796
Global Datatel Inc Common 37934G10 42 10000 X 0 0 10000
Globalnet Financial.com Common 37937R20 859 23946 X 15160 0 8786
Globo Cabo SA Spons ADR ADR 37957X10 31525 1681344 X 1476032 0 205312
Golden Telecom Inc. ADR 38122G10 624 13725 X 9725 0 4000
Grey Wolf Common 39788810 1302 330644 X 6865 0 323779
Grupo Financiero
Bancomer-Sp ADR ADR 40048630 205 18182 X 0 0 18182
Grupo Radio Centro Ads ADR 40049C10 305 22667 X 0 0 22667
Guess ? Inc. Common 40161710 2008 62764 X 40031 0 22733
Gulf Canada Resources
Ltd. - Ord. Common 40218L30 37 10000 X 0 0 10000
HS Resources Inc. Common 40429710 634 30000 X 0 0 30000
Hanover Compressor Co. Common 41076810 59427 1044879 X 548658 0 496221
Harmonic Lightwaves Inc. Common 41316010 14954 179632 X 136053 0 43579
Hathaway Corp. Common 41901110 318 37442 X 0 0 37442
HearMe Inc Common 42190310 476 18842 X 0 0 18842
Homeseekers.com Common 43760510 396 25755 X 1010 0 24745
Horizon Offshore Inc. Common 44043J10 185 20000 X 0 0 20000
Hot Topic Inc. Common 44133910 24317 694777 X 394137 0 300640
ICICI Limited spons ADR ADR 44926P20 439 19289 X 19289 0 0
Immunex Corp. Common 45252810 31372 494540 X 381004 0 113536
Information Architects Corp Common 45669R10 1008 58033 X 1201 0 56832
Insituform Technologies -
Cl. A Common 45766710 1818 59347 X 38219 0 21128
Integral Systems Inc Common 45810H10 1618 35961 X 9665 0 26296
Integrated Silicon Solut Common 45812P10 2946 100519 X 57111 0 43408
Intelect Communications Inc. Common 45814410 276 47686 X 0 0 47686
Intl Fibercom Inc Common 45950T10 28414 1196385 X 675523 0 520862
Ion Networks Inc. Common 46205P10 3771 112145 X 2034 0 110111
JDS Uniphase Corp Common 46612J10 20528 170265 X 131174 0 39091
</TABLE>
<PAGE> 7
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus
Capital Management, Inc. ("DCM") (SEC USE ONLY)
----------------------------------------------------------------------------------------------------
ITEM 8:
ITEM 6: VOTING AUTHORITY
INVESTMENT DISCRETION (SHARES)
----------------------- -----------------------
(b)
SHARED
ITEM 5: -AS ITEM 7:
ITEM 1: ITEM 2: ITEM 4: SHARES DEFINED MANAGERS
NAME OF ISSUER TITLE ITEM 3: FAIR OR IN (c) SEE
OF CUSIP MARKET PRINCIPAL (a) INSTR. SHARED- INSTR. (a) (b) (c)
CLASS NUMBER VALUE AMOUNT SOLE V OTHER V SOLE SHARED NONE
------ -------- ------ --------- ---- ------- ------- -------- ------- ------ --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
KLA-Tencor Corporation Common 48248010 40447 480081 X 369663 0 110418
Kenneth Cole Productions Common 19329410 1909 48645 X 30943 0 17702
Key Energy Group Common 49291410 34629 2994904 X 1662566 0 1332338
Knight/trimark Grp Cl A Common 49906810 19284 378115 X 292502 0 85613
Kohls Corp. Common 50025510 37098 361934 X 283217 0 78717
Kos Pharmaceuticals Inc. Common 50064810 489 34282 X 0 0 34282
Kulicke & Soffa Industries Common 50124210 31834 496919 X 280731 0 216188
LJL Biosystems Inc. Common 50187310 1093 59891 X 582 0 59309
LTX Corp. Common 50239210 25383 561716 X 430935 0 130781
Lam Research Corp. Common 51280710 64670 1435116 X 1104177 0 330939
Lightpath Tech Inc Common 53225710 778 17250 X 654 0 16596
Lukoil Holding - Spons ADR ADR 67786210 6072 97300 X 94300 0 3000
M R V Communications Common 55347710 43565 475472 X 316950 0 158522
M Systems Flsh Dsk Pionr ADR M7061C10 817 15421 X 570 0 14851
M T I Technology Corp Common 55390310 4258 161443 X 74050 0 87393
MYWEB INC Common 62845110 656 50966 X 19725 0 31241
Macrovision Corp Common 55590410 1273 14786 X 0 0 14786
Madge Networks N V ADR N5424G10 662 77839 X 0 0 77839
Magic Software ADR 55916610 3273 172250 X 65903 0 106347
Mattson Technology Inc Common 57722310 9443 221540 X 125659 0 95881
Maverick Tube Common 57791410 2905 89572 X 3481 0 86091
Maxtor Corp. Common 57772920 16269 1257499 X 680735 0 576764
Maxx Petroleum Ltd. ADR 57777D20 29 10000 X 0 0 10000
MedImmune Inc. Common 58469910 15714 90246 X 69775 0 20471
Mercury Interactive Corp Common 58940510 24072 303744 X 228470 0 75274
Methode Electronics - Cl. A Common 59152020 1205 23865 X 15634 0 8231
Metromedia Fiber Network Common 59168910 29454 304434 X 234760 0 69674
Micro Component Tech Common 59479Q10 575 63000 X 0 0 63000
Microcell Telecommunications ADR 59501T30 23243 523796 X 320842 0 202954
Microsemi Corp. Common 59513710 915 26702 X 1034 0 25668
Microtest Common 59494110 1485 100684 X 0 0 100684
Mih Ltd Tort Shs A Common G6116R10 10166 166653 X 137785 0 28868
N I I Norsat Intl Inc Common 65651210 588 50373 X 1725 0 48648
NBTY Inc. Common 62878210 3815 278727 X 157621 0 121106
NETRO CORP Common 64114R10 13868 213295 X 166228 0 47067
NEXT LEVEL COMMUNICATION INC Common 65333U10 9955 91543 X 70794 0 20749
NS Group Inc. Common 62891610 709 43480 X 1595 0 41885
NTL Incorporated Common 62940710 10966 118151 X 91521 0 26631
Nabors Industries Inc. Common 62956810 41127 1059629 X 816126 0 243503
Napro Biotherapeutics Common 63079510 258 30834 X 0 0 30834
National Discount Broker Common 63564610 34006 688727 X 390271 0 298456
National Oilwell Inc Common 63707110 28446 921344 X 523620 0 397724
Netamerica.com Common 64108J10 328 13000 X 0 0 13000
Netlojix Communications Common 64114310 588 98958 X 0 0 98958
Netrix Corp. Common 64114810 1907 94453 X 2432 0 92021
Network Appliance Corp Common 64120L10 22597 273080 X 210981 0 62099
Network Solutions Common 64121Q10 15489 100759 X 77742 0 23017
Newhall Land & Farming
Co. - LP Common 65142610 2684 95000 X 12807 0 82193
Newport Corp. Common 65182410 22480 166521 X 83406 0 83115
News Corp Ltd-Adr Common 65248770 12113 215338 X 183226 0 32112
</TABLE>
<PAGE> 8
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus
Capital Management, Inc. ("DCM") (SEC USE ONLY)
----------------------------------------------------------------------------------------------------
ITEM 8:
ITEM 6: VOTING AUTHORITY
INVESTMENT DISCRETION (SHARES)
----------------------- -----------------------
(b)
SHARED
ITEM 5: -AS ITEM 7:
ITEM 1: ITEM 2: ITEM 4: SHARES DEFINED MANAGERS
NAME OF ISSUER TITLE ITEM 3: FAIR OR IN (c) SEE
OF CUSIP MARKET PRINCIPAL (a) INSTR. SHARED- INSTR. (a) (b) (c)
CLASS NUMBER VALUE AMOUNT SOLE V OTHER V SOLE SHARED NONE
------ -------- ------ --------- ---- ------- ------- -------- ------- ------ --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Nice Systems Limited -
Spons ADR ADR 65365610 56183 788531 X 688391 0 100140
Nokia Corp Spons ADR ADR 65490220 10801 48652 X 48552 0 100
Novellus Common 67000810 55295 985209 X 757744 0 227465
Nuevo Grupo Iusacell -ADR V ADR 67051210 340 16806 X 12064 0 4742
Numerex Corp Common 67053A10 402 32848 X 0 0 32848
Nur Macroprinters Ltd ADR M7516510 516 34987 X 9798 0 25189
O S I Systems Inc Common 67104410 443 30000 X 0 0 30000
ODS Networks Inc. Common 67082N10 1821 75870 X 0 0 75870
OSI Pharmaceuticals Inc. Common 67104010 659 33779 X 0 0 33779
Oak Technology Inc Common 67180210 4671 242647 X 137361 0 105286
Objective Systems Integrator Common 67442410 867 57081 X 0 0 57081
Optimal Robotics Corp ADR 68388R20 4340 92340 X 26150 0 66190
Orbotech Ltd. ADR M7525310 18937 222789 X 193144 0 29645
Orthologic Corp Common 68750J10 1069 174598 X 0 0 174598
Overland Data Inc. Common 69021310 1041 74017 X 0 0 74017
P-Com Inc Common 69326210 917 49553 X 0 0 49553
PC - Tel Inc. Common 69325Q10 32752 435242 X 247716 0 187526
PE Corp-PE Biosystems Common 69332S10 42855 444090 X 342131 0 101959
PF Changs China Bistro Inc. Common 69333Y10 585 17653 X 687 0 16966
PMC - Sierra Inc. Common 69344F10 31558 154933 X 119550 0 35383
Patina Oil & Gas Corp Common 70322410 434 32000 X 0 0 32000
Patterson Energy Inc Common 70341410 19918 627323 X 338490 0 288833
Pegasus Communications Common 70590410 12601 89527 X 51118 0 38409
Pennaco Energy Common 70804610 548 40000 X 0 0 40000
Performance Tech Inc Common 71376K10 1166 26852 X 1017 0 25835
Pericom Semiconductor Common 71383110 1094 30663 X 771 0 29892
Petroleo Brasileiro S.A.
ADR Pfd ADR 71654V10 23871 876950 X 858256 0 18694
Pharmacopeia Inc Common 71713B10 14592 297793 X 163349 0 134444
Photon Dynamics Inc Common 71936410 3968 57506 X 12341 0 45165
Planar Systems Inc Common 72690010 633 53860 X 2053 0 51807
Plato Learning Common 72764Y10 1325 110445 X 17407 0 93038
Powerwave Tech Inc Common 73936310 1290 10323 X 0 0 10323
Precision Drilling Corp. ADR 74022D10 1603 48015 X 27150 0 20865
Precision Optics Corp./Mass. Common 74029410 790 34739 X 0 0 34739
Primus Knowledge Solutions Common 74163Q10 2185 25405 X 14086 0 11319
Private Bancorp Inc Common 74296210 1151 109662 X 0 0 109662
Qlogic Corp Common 74727710 40206 296722 X 228686 0 68036
Qualcomm Inc. Common 74752510 15050 100796 X 77291 0 23505
RIT Technologies Ltd Common M8215N10 816 75888 X 14249 0 61639
Radcom Ltd. ADR M8186510 1689 127453 X 0 0 127453
Radyne Comstream Inc Common 75061140 1633 61208 X 760 0 60448
Redback Networks Common 75720910 9334 31119 X 23694 0 7425
Remec Inc Common 75954310 15906 314980 X 157711 0 157269
Research in Motion Inc ADR 76097510 29860 280373 X 233281 0 47092
Robotic Vision Systems Common 77107410 3364 210264 X 57219 0 153045
S C M Microsystems Inc Common 78401810 14649 151024 X 85364 0 65660
SK Telecom Co Ltd-ADR ADR 78440P10 36821 944119 X 823462 0 120657
Salton Inc Common 79575710 7357 169607 X 92157 0 77450
Sandisk Corp Common 80004C10 62982 514140 X 396532 0 117608
Sangstat Medical Corp Common 80100310 8194 295943 X 167968 0 127975
</TABLE>
<PAGE> 9
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus
Capital Management, Inc. ("DCM") (SEC USE ONLY)
----------------------------------------------------------------------------------------------------
ITEM 8:
ITEM 6: VOTING AUTHORITY
INVESTMENT DISCRETION (SHARES)
----------------------- -----------------------
(b)
SHARED
ITEM 5: -AS ITEM 7:
ITEM 1: ITEM 2: ITEM 4: SHARES DEFINED MANAGERS
NAME OF ISSUER TITLE ITEM 3: FAIR OR IN (c) SEE
OF CUSIP MARKET PRINCIPAL (a) INSTR. SHARED- INSTR. (a) (b) (c)
CLASS NUMBER VALUE AMOUNT SOLE V OTHER V SOLE SHARED NONE
------ -------- ------ --------- ---- ------- ------- -------- ------- ------ --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Santa Fe Intl Corp Com Common G7805C10 22490 607848 X 469840 0 138008
Sapient Corporation Common 80306210 16167 192751 X 148746 0 44005
Satyam Infoway Ltd ADR ADR 80409910 47785 891092 X 634505 0 256587
Schwab (Charles) Corp. Common 80851310 46605 824866 X 637340 0 187526
Sciclone Pharmaceuticals Inc. Common 80862K10 519 33760 X 1311 0 32449
Scientific Learning Corp Common 80876010 325 12697 X 7865 0 4832
Scientific-Atlanta Inc. Common 80865510 66775 1055737 X 815831 0 239906
Seacor Smit Inc. Common 81190410 906 15000 X 591 0 14409
Sega Systems Inc. Common 78661010 18390 514406 X 295883 0 218523
Seibel Systems Inc Common 82617010 31771 266004 X 205844 0 60160
Semitool Inc Common 81690910 1421 78130 X 0 0 78130
Sensar Corp Common 81725310 1256 26928 X 1053 0 25875
Sepracor Inc. Common 81731510 27305 374998 X 287820 0 87178
Shaw Group Inc Common 82028010 1058 30000 X 1027 0 28973
Shire Pharmaceuticals
Gr. - ADR ADR 82481R10 74713 1457806 X 1236246 0 221560
Silicon Storage Tech Common 82705710 26490 358576 X 196420 0 162156
Silicon Valley Bankshares Common 82706410 26342 366494 X 207091 0 159403
Socket Communications Common 83367210 634 27890 X 0 0 27890
Sonic Solutions Common 83546010 737 79641 X 0 0 79641
Spectrum Control Inc. Common 84761510 435 37826 X 0 0 37826
St Assembly Test Services
Ltd ADR ADR 85227G10 25811 532181 X 470676 0 61505
Star Media Common 85554610 6760 224850 X 180577 0 44273
Starbucks Corp. Common 85524410 15135 337738 X 261218 0 76520
Stillwater Mining Co Common 86074Q10 32357 808930 X 425299 0 383631
Superior Energy Services Inc. Common 86815710 897 91975 X 3464 0 88511
SurModics Inc. Common 86887310 569 20692 X 13131 0 7561
Swift Energy Co. Common 87073810 1671 93480 X 2470 0 91010
TTI Team Telecom Intl Ltd ADR M8825810 623 18890 X 0 0 18890
TV Azteca SA - Spons ADR ADR 90114510 1589 107733 X 98733 0 9000
Taiwan Semiconductor ADR ADR 87403910 25270 443340 X 383140 0 60200
Tandy Corp. Common 87538210 12688 250000 X 193250 0 56750
Tegal Corp Common 87900810 776 117154 X 0 0 117154
Tele Nordeste Cel Partic-ADR ADR 87924W10 1227 17100 X 17100 0 0
Tele Norte Leste Participacoes ADR 87924610 477 17929 X 9900 0 8029
Telecom Semiconductor Common 87921P10 1154 38150 X 1464 0 36686
Telefonos de Mexico - Sp. ADR L ADR 87940378 11713 174822 X 148301 0 26521
Teletech Holdings Inc Common 87993910 13028 377623 X 213908 0 163715
Teligent Inc Cl A Common 87959Y10 1869 27969 X 21652 0 6317
Texas Biotechnology Corp Common 88221T10 5611 392007 X 222757 0 169250
Theragenics Corp. Common 88337510 816 61000 X 0 0 61000
Three-Five Systems Inc. Common 88554L10 10629 177148 X 88694 0 88454
Tiffany & Co. Common 88654710 34999 418522 X 323462 0 95060
Titan Corp. Common 88826610 44651 880224 X 501327 0 378897
Tollgrade Communications Common 88954210 1097 20705 X 9618 0 11087
Trico Marine Services Common 89610610 397 45000 X 0 0 45000
Trikon Technologies Inc Common 89618740 882 61895 X 0 0 61895
Triquint Semiconductor Common 89674K10 5763 78404 X 60545 0 17859
Triton Energy Ltd. Common G9075110 30864 880255 X 499000 0 381255
Tubos De Acero De Mexico -
Sp. ADR ADR 89859250 310 18909 X 6300 0 12609
U T I Energy Corp Common 90338710 33020 874706 X 484009 0 390697
</TABLE>
<PAGE> 10
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus
Capital Management, Inc. ("DCM") (SEC USE ONLY)
----------------------------------------------------------------------------------------------------
ITEM 8:
ITEM 6: VOTING AUTHORITY
INVESTMENT DISCRETION (SHARES)
----------------------- -----------------------
(b)
SHARED
ITEM 5: -AS ITEM 7:
ITEM 1: ITEM 2: ITEM 4: SHARES DEFINED MANAGERS
NAME OF ISSUER TITLE ITEM 3: FAIR OR IN (c) SEE
OF CUSIP MARKET PRINCIPAL (a) INSTR. SHARED- INSTR. (a) (b) (c)
CLASS NUMBER VALUE AMOUNT SOLE V OTHER V SOLE SHARED NONE
------ -------- ------ --------- ---- ------- ------- -------- ------- ------ --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Uniroyal Tech Corp Common 90916310 1265 26910 X 1036 0 25874
VCAMPUS CORPORATION Common 92240C10 890 82797 X 0 0 82797
Valuevision Intl Cl A Common 92047K10 15272 369113 X 209264 0 159849
Varian Semiconductor
Equipment Assoc. Common 92220710 18846 296204 X 225876 0 70328
Veeco Instruments Inc Common 92241710 20662 279222 X 155845 0 123377
Verity Inc Common 92343C10 5605 137547 X 76985 0 60562
Virata Common 92764610 33581 336232 X 259317 0 76915
Vitafort International Corp. Common 92846730 36 100000 X 0 0 100000
Vitesse Semiconductor Corp. Common 92849710 22889 237807 X 183239 0 54568
Volt Info Sciences Inc Common 92870310 683 19000 X 0 0 19000
Wal-Mart Stores Inc. Common 93114210 5594 99000 X 0 0 99000
Waters Corp. Common 94184810 56516 593343 X 456846 0 136497
Weatherford International Common 94707410 56564 966904 X 744607 0 222297
Webstreet Inc Common 94733610 431 51900 X 0 0 51900
World Wrestling Fed
Entertainment Common 98156Q10 426 24000 X 0 0 24000
XOMA Corp. Common G9825R10 634 81840 X 0 0 81840
Xicor Inc. Common 98490310 8156 577421 X 287283 0 290138
Zoll Medical Corp. Common 98992210 1537 29981 X 19111 0 10870
Zoran Corp. Common 98975F10 2099 37266 X 1454 0 35812
Zygo Corp. Common 98985510 1155 23934 X 929 0 23005
e-Sim Limited ADR M4099010 1240 55093 X 0 0 55093
polymedia corp Common 73173810 860 14632 X 9292 0 5340
varian inc. Common 92220610 23011 599648 X 339224 0 260424
4000813 78129849 48708789 29421060
</TABLE>